1 files changed, 100 insertions, 0 deletions
diff --git a/apps/OboeTester/app/src/main/java/com/mobileer/oboetester/TestErrorCallbackActivity.java b/apps/OboeTester/app/src/main/java/com/mobileer/oboetester/TestErrorCallbackActivity.java
new file mode 100644
index 00000000..b3b4497d
--- /dev/null
+++ b/apps/OboeTester/app/src/main/java/com/mobileer/oboetester/TestErrorCallbackActivity.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.mobileer.oboetester;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.view.View;
+import android.widget.TextView;
+
+public class TestErrorCallbackActivity extends Activity {
+
+    private TextView mStatusDeleteCallback;
+    // This must match the value in TestErrorCallback.h
+    private static final int MAGIC_GOOD = 0x600DCAFE;
+    private MyStreamSniffer mStreamSniffer;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_error_callback);
+
+        mStreamSniffer = new MyStreamSniffer();
+        mStatusDeleteCallback = (TextView) findViewById(R.id.text_callback_status);
+    }
+
+    public void onTestDeleteCrash(View view) {
+        mStatusDeleteCallback.setText(getString(R.string.plug_or_unplug));
+        mStreamSniffer.startStreamSniffer();
+        testDeleteCrash();
+    }
+
+
+    // Periodically query the status of the streams.
+    protected class MyStreamSniffer {
+        public static final int SNIFFER_UPDATE_PERIOD_MSEC = 150;
+        public static final int SNIFFER_UPDATE_DELAY_MSEC = 300;
+
+        private Handler mHandler;
+
+        // Display status info for the stream.
+        private Runnable runnableCode = new Runnable() {
+            @Override
+            public void run() {
+                int magic = getCallbackMagic();
+                updateMagicDisplay(magic);
+                mHandler.postDelayed(runnableCode, SNIFFER_UPDATE_PERIOD_MSEC);
+            }
+        };
+
+        private void startStreamSniffer() {
+            stopStreamSniffer();
+            mHandler = new Handler(Looper.getMainLooper());
+            // Start the initial runnable task by posting through the handler
+            mHandler.postDelayed(runnableCode, SNIFFER_UPDATE_DELAY_MSEC);
+        }
+
+        private void stopStreamSniffer() {
+            if (mHandler != null) {
+                mHandler.removeCallbacks(runnableCode);
+            }
+        }
+    }
+
+    private void updateMagicDisplay(int magic) {
+        if (magic != 0) {
+            String text = getString(R.string.report_magic_pass, MAGIC_GOOD);
+            if (magic != MAGIC_GOOD) {
+                text = getString(R.string.report_magic_fail,
+                        magic, MAGIC_GOOD);
+            }
+            mStatusDeleteCallback.setText(text);
+        }
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        mStreamSniffer.stopStreamSniffer();
+    }
+
+    private native void testDeleteCrash();
+    private native int getCallbackMagic();
+
+}